WO2014175824A1 - Ensemble de manipulation de contenant pour vrac de taille ajustable et mécanisme de rotation de contenant muni d'un dispositif de mise à niveau - Google Patents

Ensemble de manipulation de contenant pour vrac de taille ajustable et mécanisme de rotation de contenant muni d'un dispositif de mise à niveau Download PDF

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Publication number
WO2014175824A1
WO2014175824A1 PCT/SG2014/000165 SG2014000165W WO2014175824A1 WO 2014175824 A1 WO2014175824 A1 WO 2014175824A1 SG 2014000165 W SG2014000165 W SG 2014000165W WO 2014175824 A1 WO2014175824 A1 WO 2014175824A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
head frame
bulk material
material handling
handling assembly
Prior art date
Application number
PCT/SG2014/000165
Other languages
English (en)
Inventor
Cameron Hay
Krishna MURARI
Robert Arthur Mills
Original Assignee
Nsl Engineering Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nsl Engineering Pte Ltd filed Critical Nsl Engineering Pte Ltd
Publication of WO2014175824A1 publication Critical patent/WO2014175824A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/101—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/101—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for containers
    • B66C1/102—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for containers for two or more containers end to end

Definitions

  • the invention relates to the movement and control of shipping containers.
  • the invention relates to the movement and control of containers adapted to transport of bulk materials.
  • a particular type of container is used for bulk material such as grain, aggregate, coal etc. These containers are used for ship to shore cranes, mobile cranes, harbour cranes and container lifting trucks. Specially adapted apparatus is used for dealing with bulk material containers and is generally referred to as a bulk material handling assembly which comprises a head frame for engaging the crane through a sheave and engagement devices for engaging the container. A motor is also used for rotating the container from a vertical position to an inverted position for unloading bulk material.
  • Bulk material containers vary from conventional containers in a number of different ways.
  • One such way is the thickness and structural stability of the walls.
  • the invention provides a bulk material handling assembly comprising: a head frame having a pair of container engaging devices for engaging a container at opposed ends of said head frame; said container engaging devices rotationally mounted to opposed ends of said head frame and arranged to selectively rotate said container; wherein said head frame includes a pair of selectively extendable arms arranged to extend said opposed ends.
  • BMHA bulk material handling assembly
  • the arms may be telescopic so as to be in sliding engagement with the remainder of the head frame.
  • the arms may be in a rack and pinion type engagement.
  • the extendable arms may be geared such that rotation of a single gear drives both the extendable arms with each arm acting as a rack engaged with the single pinion/gear.
  • This single gear may be in communication with a single actuator such that extension or retraction of the extendable arms is achieved on operation of the single actuator.
  • the invention provides a bulk material handling assembly comprising: a head frame having a pair of container engaging devices for engaging a container at opposed ends of said head frame; said container engaging devices rotationally mounted to opposed ends of said head frame and arranged to selectively rotate said container; said head frame including a sheave assembly for engaging lifting cables; said sheave assembly including a sheave pivotally connected to head frame and at least one actuator connected to both the head frame and sheave; wherein on application of an eccentric load to the bulk material handling assembly, said sheave is arranged to pivot relative to the head frame through activation of said at least one actuator to bring the head frame into a horizontal position.
  • a control system may be combined with the BMHA so that on activating a sensor which then sends a signal to the control system that the head frame is no longer horizontal, the control system may then activate the actuator to pivot the sheave and so bring the head frame back to the horizontal position.
  • a constant interrogation by the sensor may then have a closed feedback loop through the control system leading to the head frame remaining horizontal throughout the unloading cycle.
  • the sheave may be pivoted through a single actuator extending or retracting.
  • the invention provides a method for leveling a head frame of a bulk material handling assembly, the method comprising the steps of: engaging a container; eccentrically loading the bulk material handling assembly, and so; inclining the head frame; pivoting a sheave of said head frame, and so aligning lifting cables connected with said sheave with the eccentrically placed centre of gravity of said container, and so; bringing the head frame back to a horizontal position.
  • the beams By having the beams in a position to support the container should bulk material be applied a "hydrostatic" load to the container wall during rotation or in fact at any time during engagement with the BMHA, the beams may either directly bear load if in contact or if placed proximate to the walls prevent excessive buckling of the walls as the walls tend to buckle out. In any event, the structural integrity of the container is maintained during handling and particularly during the unloading cycle.
  • the invention provides a bulk material handling assembly comprising: a head frame having a pair of container engaging devices for engaging a container at opposed ends of said head frame; said container engaging devices rotationally mounted to opposed ends of said head frame and arranged to selectively rotate said container; a pair of beams mounted parallel to a longitudinal axis of said head frame; each of said beams attached to the container engaging devices on either side of the head frame; wherein said beams are placed so as to support the container during rotation of the container.
  • the water spray will suppress the air borne dust and so containing the material.
  • the water nozzles may further include water nozzles in cavities around the BMHA to wash out dust which would otherwise be trapped.
  • the cavity nozzles may be used to maintain the cleanliness of the BMHA over time.
  • the invention provides a bulk material handling assembly comprising: a head frame having a pair of container engaging devices for engaging a container at opposed ends of said head frame; said container engaging devices rotationally mounted to opposed ends of said head frame and arranged to selectively rotate said container; a plurality of water nozzles mounted to said head frame; wherein said nozzles are directed downwards and arranged to direct water spray onto said container during unloading of the bulk material so as to suppress airborne dust.
  • the invention provides a locating frame having at least one bay for receiving at least one container, said frame including a plurality of locating brackets arranged about said at least one bay to position a container within the bay, corresponding to a required position for engagement by a bulk material handling assembly.
  • Figures 1 A is an elevation view of a bulk material handling assembly according to one embodiment of the present invention
  • Figure IB is a sequential view of the unloading of a bulk material handling using a container support system according to one embodiment of the present invention
  • Figures 2A and 2B are elevation views of a bulk material handling assembly according to a further embodiment of the present invention
  • Figures 3A, 3B and 3C are elevation views of a bulk material handling assembly according to a further embodiment of the present invention.
  • Figure 4 is an isometric view a bulk material container assembly according to a further embodiment of the present invention.
  • FIGS. 5A to 5D are isometric views of a twin bulk material handling assembly according to a further embodiment of the present invention.
  • Figures 6A to 6C are elevation views of the twin bulk material handling assembly of Figure 5A, and; Figures 7A to 7C are isometric views of the progressive engagement of a container according to a further embodiment of the present invention.
  • Figure 1A shows a bulk material handling assembly 5 having a head frame 10 and container engaging devices 15 arranged to engage a container 30.
  • the container 30 is a bulk material container used to transport particulate matter such as aggregate, grain, coal or other loose material.
  • the container engaging devices 15 are connected to the head frame 10 through a rotational engagement 25 which includes a motor for rotating the engagement devices 15 and the container 30.
  • the assembly 5 further includes a support system including support beams 35 placed parallel to the longitudinal axis of the head frame 10 and mounted between the engagement devices 15. The beams 35 act to support the container as it is handled and rotated. In particular, the beams 35 are arranged to be in contact with, or proximate to, the wall of the container 30.
  • the support beams are intended to prevent buckling of the container wall 30 as the bulk material within the container shifts during rotation of the container.
  • Bulk material containers are characterized by having a thicker wall to accommodate the shifting of material during unloading.
  • increasingly conventional containers are modified to carry bulk materials.
  • a specific drawback of this trend is that conventional containers may have a much thinner wall than a bulk material container.
  • Bulk material containers must act to both encompass material and also resist the applied loads of this material during transport. Accordingly, the invention seeks to prevent failure of the container or prevent damage to the port infrastructure should a conventional container buckle during the rotation process.
  • the beam will provide further support to the container and consequently prevent or mitigate the risk of container wall buckling.
  • Figure IB shows a sequential view of the rotation process using the support system according to one embodiment of the present invention.
  • a bulk material container assembly 40 comprises a head frame 45 rotationally engaged with container
  • a support system comprising beams 55 are brought into contact with, or proximate to 62, the walls of the container 60.
  • the bulk material 65 will begin to shift applying significant loads to the lower most wall of the container.
  • the lower most beam 55 being in contact with the container 60 immediately has loads distributed to it and so provides support to the container wall.
  • the beam 55 may be proximate to the container and so not in direct contact. In this case, the beam will only bear load distributed from the container should the container wall begin to buckle, by placing the beam at a distance from the container wall such that on buckling of the wall the beam will receive load.
  • the system may be designed such that the distance is less than a catastrophic buckling event but far enough away so as to prevent interference between engagement of the container and the beams itself.
  • a bulk material handling assembly may be designed for an ultimate safety condition by having the beams in contact with the container or it may be designed as a precaution by having the beams proximate to but not in contact with the container and so only contact the container should the container walls begin to buckle. In this latter case, the advantage of having the beams away from the container provide convenience for the operator of the assembly to engage the container and reduce the risk of the beams becoming into contact with the container during loading which may cause damage.
  • the beams may be selectively moveable. Said beams may be moveable in a vertical direction which the container is in a normal position.
  • the beams being moveable in a vertical direction allows the beams to align with a centre of gravity of the container containing the bulk material.
  • the beams may be moveable inwards such that during engagement of the container the beams are moved outwards so as to provide clearance for the engagement process. Following engagement with the container, the beams may be selectively moved inwards to go from a fully outward position to be moved inwards so as to contact the container.
  • the advantages of having a safe condition are achieved as are the advantages of having the beams away from the container during the engagement process.
  • FIGs 2A and 2B show a further embodiment of the present invention.
  • a bulk material handling assembly 85 includes a head frame 90 with a pair of container engagement devices 100 arranged to engage a container 110.
  • the container engagement devices 100 are connected to the head frame 90 through a rotational engagement 95 for rotating the container 110.
  • the head frame 90 includes extendable arms 105, in this case telescopically extended arms which act to selectively lengthen or shorten distance between the container engagement devices 100.
  • Figure 2 A shows a retracted position whereby the bulk material container assembly 85 has the extendable arms 105 retracted so as to engage a 20-foot container 1 10.
  • the extendable arms may be extendable to discreet lengths so as to accommodate known container types such as 20-foot, 40-foot and 45-foot containers.
  • the extendable arms may be infinitely extendable between a fully retracted and fully extended length so as to accommodate containers or other intermodal devices of nonstandard lengths.
  • Figure 3A to 3C shows a bulk handling container assembly 125 arranged to accommodate shifting bulk material or eccentrically loaded containers.
  • the assembly 125 includes a head frame 130 with container engagement devices 135 mounted to a rotational engagement 140.
  • a sheave assembly 145 is also included.
  • the sheave assembly 145 includes a sheave 150 pivotally mounted 152 to the head frame 130.
  • the sheave 150 is capable of pivoting within the vertical plane of the head frame 130 from one extreme position 155 to another extreme position 160.
  • the invention provides for at least one actuator, in this case two actuators 165, 170 which are mounted between the head frame 130 and the sheave 150.
  • Figures 3B and 3C shows two extreme conditions whereby pivoting of the sheave is required.
  • the assembly 125 has engaged the container 175.
  • the bulk material within the container 175 has shifted so as to place the centre of gravity 180 towards the right hand side of the container. If the sheave 150 were to stay in a central position, the assembly 125 would rotate about the upper portion 154 of the sheave so as to place the centre of gravity of the container in alignment with the cables connecting the assembly 125 to the crane.
  • the present invention by having a pivotal sheave, is able to shift the position of the sheave such that it places the centre of gravity 180 in line with the cables 185 whilst maintaining a horizontal position of the head frame.
  • Figure 3C shows an alternative position whereby the container 190 engaged by the assembly 125 has the material shifted to the left, placing the centre of gravity 195 on the opposed side of the assembly.
  • the sheave 155 is pivoted to the left and so keeping the head frame 130 horizontal whilst maintaining the centre of gravity 195 in line with cables 200.
  • an operator may visually, or using sensors, control the actuators 165, 170 in order to place the head frame 130 in a horizontal position. This is particularly important during the unloading of the bulk material as during the rotational cycle in order to unload the bulk material, the bulk material will shift and thus may cause an eccentric loading.
  • the operator can then adjust the actuators 165, 170 so as to maintain the head frame in horizontal position during the unloading cycle.
  • a feedback loop with an automatic control system (not shown) that is connected to sensors such as accelerometers, inclinometers or load cells which will detect the eccentricity of the load. This may occur at the time of engaging the container or during the unloading cycle.
  • the information is sent to the control system which consequently controls the at least one actuator to maintain a horizontal position of the head frame without intervention from the operator.
  • Figure 4 shows a further embodiment of the present invention whereby a bulk material handling assembly 205 having a head frame 210 and container engagement devices 215 mounted to the head frame 210 through a rotational engagement 220.
  • the head frame 210 includes dust suppressant nozzles 225 directed to provide a mist or spray onto the container so as to prevent dust from the bulk material escaping the container. This is particularly important during the unloading cycle whereby shifting of the bulk material out of the container will lead to fine dust from the bulk material dissipating causing environmental and health hazards.
  • suppressant sprays within cavities of the assembly 205 may periodically operate to remove said dust.
  • FIGS. 5A to 5D and Figures 6A to 6C show a bulk material handling assembly, in this case having two bays to engage two containers. For convenience, this will be referred to as a twin bulk material handling assembly 235 according to a further embodiment of the present invention.
  • the assembly 235 includes a head frame 240 engaged with container engaging devices 265, 270, 275, 280 arranged to engage two containers in separate bays 245, 250.
  • the containers are arranged longitudinally and separated by block 260 which permits rotation of each of the containers separately as shown in Figures 5B to 5D.
  • the twin bulk material handling assembly 235 is capable of engaging either one or two containers at the same time.
  • Figure 6A shows the two bays 245, 250 empty with Figure 6D showing the first bay 245 engaged with a container 295 and Figure 6C showing both bays 245, 220 engaged with containers 295, 300.
  • the support system of Figures 1A and IB may be used with the twin bulk material handling assembly of Figures 5 A to 5D. Particularly where the movement of the maximum number of containers is required by the operator, the chance for a conventional container modified act as bulk container may be missed.
  • the extension capability shown in Figures 2A and 2B are equally applicable here, whereby modifying the assembly to accommodate different sized containers will further optimize the rate of container handling.
  • the sheave assembly of Figures 3 A to 3 C is also applicable to the twin bulk material handling assembly.
  • Figures 7A to 7C show a container positioning frame 305 used to increase the speed of engagement of containers 325, 330 by a twin bulk material handling assembly 335. It does this by locating the containers 325, 330 precisely within the frame 305 through locating corner brackets 310.
  • the locating brackets may include flared upper ridges so as to centre the container if marginally misaligned and so facilitating placement by a crane or forklift.
  • the containers are precisely spaced on either side of a clearance 320 which accommodates the centre portion of the twin bulk material handling assembly 335.
  • the twin bulk material handling assembly 335 can then simply lower itself onto the containers and immediately engage the containers ready for handling as shown in Figure 7C.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

L'invention concerne un ensemble de manipulation de matériau en vrac comportant : un cadre principal ayant une paire de dispositifs de mise en prise de contenant destiné à mettre un contenant en prise au niveau d'extrémités opposées dudit cadre principal; lesdits dispositifs de mise en prise du contenant étant montés par rotation sur des extrémités opposées dudit cadre principal et agencés à des fins de rotation sélective dudit contenant; dans lequel ledit cadre principal comprend une paire de bras en mesure de se déployer de manière sélective et agencés pour déployer lesdites extrémités opposées.
PCT/SG2014/000165 2013-04-22 2014-04-16 Ensemble de manipulation de contenant pour vrac de taille ajustable et mécanisme de rotation de contenant muni d'un dispositif de mise à niveau WO2014175824A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG201303162 2013-04-22
SG201303162-0 2013-04-22

Publications (1)

Publication Number Publication Date
WO2014175824A1 true WO2014175824A1 (fr) 2014-10-30

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PCT/SG2014/000165 WO2014175824A1 (fr) 2013-04-22 2014-04-16 Ensemble de manipulation de contenant pour vrac de taille ajustable et mécanisme de rotation de contenant muni d'un dispositif de mise à niveau

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105712173A (zh) * 2016-04-29 2016-06-29 上海机电工程研究所 一种多联装包装箱模块化吊装与运输加固装置
WO2017017450A1 (fr) * 2015-07-30 2017-02-02 Ihc Engineering Business Limited Appareil de commande de charge
CN107458766A (zh) * 2017-09-18 2017-12-12 中国重汽集团柳州运力专用汽车有限公司 粉粒物料运输车卸料系统
CN109573640A (zh) * 2017-09-29 2019-04-05 南通中集特种运输设备制造有限公司 用于集装箱的卸料系统及其卸料方法
CN113211359A (zh) * 2021-06-24 2021-08-06 方盛车桥（柳州）有限公司 一种桥壳零件通用自动扶平的方法

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US3874719A (en) * 1972-11-20 1975-04-01 Clark Equipment Co Extensible load lifting frame
US3944272A (en) * 1974-08-12 1976-03-16 Midland-Ross Corporation Cargo container spreader with articulated structure for skewing and tilting
GB2065594A (en) * 1979-12-13 1981-07-01 Neuhauser Kg Tipping equipment for containers and trucks
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US4496275A (en) * 1982-05-04 1985-01-29 Resource Ventures, Inc. Apparatus and method for tipping cargo containers
US5280980A (en) * 1992-12-24 1994-01-25 Earl's Industries Ltd. Self-aligning twin container spreader
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US6863325B1 (en) * 2000-02-25 2005-03-08 Natsteel Engineering Pte. Ltd. Lifting device
WO2011044613A1 (fr) * 2009-10-14 2011-04-21 Australian Mobile Mining Equipment Systems And Accessories Pty Limited Appareil de manipulation de conteneurs
US7950539B2 (en) * 2005-06-28 2011-05-31 Abb Ab Load control device for a crane
WO2013006141A1 (fr) * 2011-07-04 2013-01-10 Nsl Engineering Pte Ltd Dispositif d'écartement amélioré et son utilisation

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Publication number Priority date Publication date Assignee Title
GB1336153A (en) * 1969-11-04 1973-11-07 Maschf Augsburg Nuernberg Ag Pick-up means for loads
US3874719A (en) * 1972-11-20 1975-04-01 Clark Equipment Co Extensible load lifting frame
US3944272A (en) * 1974-08-12 1976-03-16 Midland-Ross Corporation Cargo container spreader with articulated structure for skewing and tilting
US4350254A (en) * 1978-12-15 1982-09-21 Potain Container handling and lifting equipment, such as a crane or a gantry
GB2065594A (en) * 1979-12-13 1981-07-01 Neuhauser Kg Tipping equipment for containers and trucks
US4496275A (en) * 1982-05-04 1985-01-29 Resource Ventures, Inc. Apparatus and method for tipping cargo containers
US5280980A (en) * 1992-12-24 1994-01-25 Earl's Industries Ltd. Self-aligning twin container spreader
US6863325B1 (en) * 2000-02-25 2005-03-08 Natsteel Engineering Pte. Ltd. Lifting device
EP1319628A1 (fr) * 2001-12-14 2003-06-18 Hüffermann Fahrzeugtechnik GmbH Vidange de grand récipients
US7950539B2 (en) * 2005-06-28 2011-05-31 Abb Ab Load control device for a crane
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WO2013006141A1 (fr) * 2011-07-04 2013-01-10 Nsl Engineering Pte Ltd Dispositif d'écartement amélioré et son utilisation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017017450A1 (fr) * 2015-07-30 2017-02-02 Ihc Engineering Business Limited Appareil de commande de charge
CN108137291A (zh) * 2015-07-30 2018-06-08 爱河溪工程商业有限公司 载荷控制设备
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CN107458766A (zh) * 2017-09-18 2017-12-12 中国重汽集团柳州运力专用汽车有限公司 粉粒物料运输车卸料系统
CN109573640A (zh) * 2017-09-29 2019-04-05 南通中集特种运输设备制造有限公司 用于集装箱的卸料系统及其卸料方法
CN113211359A (zh) * 2021-06-24 2021-08-06 方盛车桥（柳州）有限公司 一种桥壳零件通用自动扶平的方法
CN113211359B (zh) * 2021-06-24 2022-07-26 方盛车桥（柳州）有限公司 一种桥壳零件通用自动扶平的方法

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